diff options
Diffstat (limited to 'library/phpqrcode/qrencode.php')
| -rw-r--r-- | library/phpqrcode/qrencode.php | 502 |
1 files changed, 0 insertions, 502 deletions
diff --git a/library/phpqrcode/qrencode.php b/library/phpqrcode/qrencode.php deleted file mode 100644 index 4b77a5bdd..000000000 --- a/library/phpqrcode/qrencode.php +++ /dev/null @@ -1,502 +0,0 @@ -<?php
-/*
- * PHP QR Code encoder
- *
- * Main encoder classes.
- *
- * Based on libqrencode C library distributed under LGPL 2.1
- * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
- *
- * PHP QR Code is distributed under LGPL 3
- * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
- class QRrsblock {
- public $dataLength;
- public $data = array();
- public $eccLength;
- public $ecc = array();
-
- public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)
- {
- $rs->encode_rs_char($data, $ecc);
-
- $this->dataLength = $dl;
- $this->data = $data;
- $this->eccLength = $el;
- $this->ecc = $ecc;
- }
- };
-
- //##########################################################################
-
- class QRrawcode {
- public $version;
- public $datacode = array();
- public $ecccode = array();
- public $blocks;
- public $rsblocks = array(); //of RSblock
- public $count;
- public $dataLength;
- public $eccLength;
- public $b1;
-
- //----------------------------------------------------------------------
- public function __construct(QRinput $input)
- {
- $spec = array(0,0,0,0,0);
-
- $this->datacode = $input->getByteStream();
- if(is_null($this->datacode)) {
- throw new Exception('null imput string');
- }
-
- QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);
-
- $this->version = $input->getVersion();
- $this->b1 = QRspec::rsBlockNum1($spec);
- $this->dataLength = QRspec::rsDataLength($spec);
- $this->eccLength = QRspec::rsEccLength($spec);
- $this->ecccode = array_fill(0, $this->eccLength, 0);
- $this->blocks = QRspec::rsBlockNum($spec);
-
- $ret = $this->init($spec);
- if($ret < 0) {
- throw new Exception('block alloc error');
- return null;
- }
-
- $this->count = 0;
- }
-
- //----------------------------------------------------------------------
- public function init(array $spec)
- {
- $dl = QRspec::rsDataCodes1($spec);
- $el = QRspec::rsEccCodes1($spec);
- $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
-
-
- $blockNo = 0;
- $dataPos = 0;
- $eccPos = 0;
- for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {
- $ecc = array_slice($this->ecccode,$eccPos);
- $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
- $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
-
- $dataPos += $dl;
- $eccPos += $el;
- $blockNo++;
- }
-
- if(QRspec::rsBlockNum2($spec) == 0)
- return 0;
-
- $dl = QRspec::rsDataCodes2($spec);
- $el = QRspec::rsEccCodes2($spec);
- $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
-
- if($rs == NULL) return -1;
-
- for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {
- $ecc = array_slice($this->ecccode,$eccPos);
- $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
- $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
-
- $dataPos += $dl;
- $eccPos += $el;
- $blockNo++;
- }
-
- return 0;
- }
-
- //----------------------------------------------------------------------
- public function getCode()
- {
- $ret;
-
- if($this->count < $this->dataLength) {
- $row = $this->count % $this->blocks;
- $col = $this->count / $this->blocks;
- if($col >= $this->rsblocks[0]->dataLength) {
- $row += $this->b1;
- }
- $ret = $this->rsblocks[$row]->data[$col];
- } else if($this->count < $this->dataLength + $this->eccLength) {
- $row = ($this->count - $this->dataLength) % $this->blocks;
- $col = ($this->count - $this->dataLength) / $this->blocks;
- $ret = $this->rsblocks[$row]->ecc[$col];
- } else {
- return 0;
- }
- $this->count++;
-
- return $ret;
- }
- }
-
- //##########################################################################
-
- class QRcode {
-
- public $version;
- public $width;
- public $data;
-
- //----------------------------------------------------------------------
- public function encodeMask(QRinput $input, $mask)
- {
- if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {
- throw new Exception('wrong version');
- }
- if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {
- throw new Exception('wrong level');
- }
-
- $raw = new QRrawcode($input);
-
- QRtools::markTime('after_raw');
-
- $version = $raw->version;
- $width = QRspec::getWidth($version);
- $frame = QRspec::newFrame($version);
-
- $filler = new FrameFiller($width, $frame);
- if(is_null($filler)) {
- return NULL;
- }
-
- // inteleaved data and ecc codes
- for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {
- $code = $raw->getCode();
- $bit = 0x80;
- for($j=0; $j<8; $j++) {
- $addr = $filler->next();
- $filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));
- $bit = $bit >> 1;
- }
- }
-
- QRtools::markTime('after_filler');
-
- unset($raw);
-
- // remainder bits
- $j = QRspec::getRemainder($version);
- for($i=0; $i<$j; $i++) {
- $addr = $filler->next();
- $filler->setFrameAt($addr, 0x02);
- }
-
- $frame = $filler->frame;
- unset($filler);
-
-
- // masking
- $maskObj = new QRmask();
- if($mask < 0) {
-
- if (QR_FIND_BEST_MASK) {
- $masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());
- } else {
- $masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());
- }
- } else {
- $masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());
- }
-
- if($masked == NULL) {
- return NULL;
- }
-
- QRtools::markTime('after_mask');
-
- $this->version = $version;
- $this->width = $width;
- $this->data = $masked;
-
- return $this;
- }
-
- //----------------------------------------------------------------------
- public function encodeInput(QRinput $input)
- {
- return $this->encodeMask($input, -1);
- }
-
- //----------------------------------------------------------------------
- public function encodeString8bit($string, $version, $level)
- {
- if(string == NULL) {
- throw new Exception('empty string!');
- return NULL;
- }
-
- $input = new QRinput($version, $level);
- if($input == NULL) return NULL;
-
- $ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));
- if($ret < 0) {
- unset($input);
- return NULL;
- }
- return $this->encodeInput($input);
- }
-
- //----------------------------------------------------------------------
- public function encodeString($string, $version, $level, $hint, $casesensitive)
- {
-
- if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {
- throw new Exception('bad hint');
- return NULL;
- }
-
- $input = new QRinput($version, $level);
- if($input == NULL) return NULL;
-
- $ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);
- if($ret < 0) {
- return NULL;
- }
-
- return $this->encodeInput($input);
- }
-
- //----------------------------------------------------------------------
- public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false)
- {
- $enc = QRencode::factory($level, $size, $margin);
- return $enc->encodePNG($text, $outfile, $saveandprint=false);
- }
-
- //----------------------------------------------------------------------
- public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
- {
- $enc = QRencode::factory($level, $size, $margin);
- return $enc->encode($text, $outfile);
- }
-
- //----------------------------------------------------------------------
- public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
- {
- $enc = QRencode::factory($level, $size, $margin);
- return $enc->encodeRAW($text, $outfile);
- }
- }
-
- //##########################################################################
-
- class FrameFiller {
-
- public $width;
- public $frame;
- public $x;
- public $y;
- public $dir;
- public $bit;
-
- //----------------------------------------------------------------------
- public function __construct($width, &$frame)
- {
- $this->width = $width;
- $this->frame = $frame;
- $this->x = $width - 1;
- $this->y = $width - 1;
- $this->dir = -1;
- $this->bit = -1;
- }
-
- //----------------------------------------------------------------------
- public function setFrameAt($at, $val)
- {
- $this->frame[$at['y']][$at['x']] = chr($val);
- }
-
- //----------------------------------------------------------------------
- public function getFrameAt($at)
- {
- return ord($this->frame[$at['y']][$at['x']]);
- }
-
- //----------------------------------------------------------------------
- public function next()
- {
- do {
-
- if($this->bit == -1) {
- $this->bit = 0;
- return array('x'=>$this->x, 'y'=>$this->y);
- }
-
- $x = $this->x;
- $y = $this->y;
- $w = $this->width;
-
- if($this->bit == 0) {
- $x--;
- $this->bit++;
- } else {
- $x++;
- $y += $this->dir;
- $this->bit--;
- }
-
- if($this->dir < 0) {
- if($y < 0) {
- $y = 0;
- $x -= 2;
- $this->dir = 1;
- if($x == 6) {
- $x--;
- $y = 9;
- }
- }
- } else {
- if($y == $w) {
- $y = $w - 1;
- $x -= 2;
- $this->dir = -1;
- if($x == 6) {
- $x--;
- $y -= 8;
- }
- }
- }
- if($x < 0 || $y < 0) return null;
-
- $this->x = $x;
- $this->y = $y;
-
- } while(ord($this->frame[$y][$x]) & 0x80);
-
- return array('x'=>$x, 'y'=>$y);
- }
-
- } ;
-
- //##########################################################################
-
- class QRencode {
-
- public $casesensitive = true;
- public $eightbit = false;
-
- public $version = 0;
- public $size = 3;
- public $margin = 4;
-
- public $structured = 0; // not supported yet
-
- public $level = QR_ECLEVEL_L;
- public $hint = QR_MODE_8;
-
- //----------------------------------------------------------------------
- public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)
- {
- $enc = new QRencode();
- $enc->size = $size;
- $enc->margin = $margin;
-
- switch ($level.'') {
- case '0':
- case '1':
- case '2':
- case '3':
- $enc->level = $level;
- break;
- case 'l':
- case 'L':
- $enc->level = QR_ECLEVEL_L;
- break;
- case 'm':
- case 'M':
- $enc->level = QR_ECLEVEL_M;
- break;
- case 'q':
- case 'Q':
- $enc->level = QR_ECLEVEL_Q;
- break;
- case 'h':
- case 'H':
- $enc->level = QR_ECLEVEL_H;
- break;
- }
-
- return $enc;
- }
-
- //----------------------------------------------------------------------
- public function encodeRAW($intext, $outfile = false)
- {
- $code = new QRcode();
-
- if($this->eightbit) {
- $code->encodeString8bit($intext, $this->version, $this->level);
- } else {
- $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
- }
-
- return $code->data;
- }
-
- //----------------------------------------------------------------------
- public function encode($intext, $outfile = false)
- {
- $code = new QRcode();
-
- if($this->eightbit) {
- $code->encodeString8bit($intext, $this->version, $this->level);
- } else {
- $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
- }
-
- QRtools::markTime('after_encode');
-
- if ($outfile!== false) {
- file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));
- } else {
- return QRtools::binarize($code->data);
- }
- }
-
- //----------------------------------------------------------------------
- public function encodePNG($intext, $outfile = false,$saveandprint=false)
- {
- try {
-
- ob_start();
- $tab = $this->encode($intext);
- $err = ob_get_contents();
- ob_end_clean();
-
- if ($err != '')
- QRtools::log($outfile, $err);
-
- $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));
-
- QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);
-
- } catch (Exception $e) {
-
- QRtools::log($outfile, $e->getMessage());
-
- }
- }
- }
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